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SOU - SFO

Find cheap flights from Southampton to San Francisco from £627

This is the cheapest return flight price found by a KAYAK user in the last 72 hours by searching for a flight from Southampton to San Francisco departing on 19/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sun 28/4
Sun 5/5

Search hundreds of travel sites at once for deals on flights to San Francisco

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Southampton to San Francisco, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Southampton to San Francisco, as well as popular online travel agencies
In the last 7 days, travellers have searched 45,553,807 times on KAYAK, and here's why:

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Cheap flight deals from Southampton to San Francisco

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Southampton to San Francisco that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
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17:20 - 11:45SOU-SFO
26h 25m1 stop
10:45 - 16:50SFO-SOU
22h 05m2 stops
£627Delta
Find Deal
Thu, 19 Sep - Mon, 23 Sep
07:55 - 22:53SOU-SFO
22h 58m2 stops
14:25 - 16:50SFO-SOU
18h 25m2 stops
£628Delta
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Thu, 19 Sep - Mon, 23 Sep
09:40 - 15:50SOU-SFO
14h 10m1 stop
19:20 - 19:25SFO-SOU
16h 05m2 stops
£639British Airways
Find Deal
Thu, 12 Sep - Mon, 23 Sep
09:40 - 15:50SOU-SFO
14h 10m1 stop
17:45 - 19:30SFO-SOU
17h 45m1 stop
£646British Airways
Find Deal
Thu, 12 Sep - Mon, 23 Sep
19:55 - 13:15SOU-SFO
25h 20m2 stops
19:20 - 19:25SFO-SOU
16h 05m2 stops
£655British Airways
Find Deal
Thu, 12 Sep - Mon, 23 Sep
09:40 - 15:50SOU-SFO
14h 10m1 stop
17:45 - 19:30SFO-SOU
17h 45m1 stop
£670British Airways
Find Deal
Thu, 19 Sep - Mon, 23 Sep
19:55 - 13:15SOU-SFO
25h 20m2 stops
15:30 - 19:10SFO-SOU
19h 40m3 stops
£693British Airways
Find Deal
Thu, 29 Aug - Thu, 12 Sep
19:55 - 13:15SOU-SFO
25h 20m2 stops
19:20 - 19:25SFO-SOU
16h 05m2 stops
£695British Airways
Find Deal
Thu, 29 Aug - Thu, 12 Sep
17:20 - 11:45SOU-SFO
26h 25m1 stop
13:55 - 16:50SFO-SOU
18h 55m1 stop
£851Delta
Find Deal
Mon, 1 Jul - Thu, 11 Jul
08:30 - 21:01SOU-SFO
20h 31m2 stops
23:01 - 16:50SFO-SOU
33h 49m2 stops
£22,376
Find Deal
Mon, 29 Jul - Mon, 29 Jul

Flights from Southampton to San Francisco - Travel Insights & Trends

Get data-powered insights and trends into flights from Southampton to San Francisco to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Southampton to San Francisco?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Southampton to San Francisco, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Southampton to San Francisco is February, where tickets cost £389 on average. On the other hand, the most expensive months are July and August, where the average cost of tickets is £659 and £613 respectively.

How far in advance should I book a flight from Southampton to San Francisco?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Southampton to San Francisco, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Southampton to San Francisco, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 42 days before departure.

How long does a flight from Southampton to San Francisco take?

Flying between San Francisco and Southampton will take minimum 14h 10m and will require at least one stop.

Good to know - Cheap tickets from Southampton to San Francisco

Cheapest flight

£627
Flight from Southampton to San Francisco

When to book flights from Southampton to San Francisco

Are your dates flexible? Find out the best times to travel from Southampton to San Francisco based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Southampton to San Francisco

  • What is the cheapest flight from Southampton to San Francisco?

    In the last 3 days, the lowest price for a flight from Southampton to San Francisco was £1,417 for a one-way ticket and £792 for a return.

  • Which airports will I be using when flying from Southampton to San Francisco?

    Southampton airport is called Southampton Eastleigh and the only airport in San Francisco is San Francisco.

  • Which aircraft models fly most regularly from Southampton to San Francisco?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Southampton to San Francisco?

    oneworld, and SkyTeam are the airline alliances operating flights between Southampton and San Francisco, with SkyTeam being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Southampton to San Francisco?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Southampton to San Francisco.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Southampton to San Francisco?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Southampton is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Southampton to San Francisco?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to San Francisco with an airline and back to Southampton with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Southampton to San Francisco?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Francisco from Southampton up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Southampton to San Francisco

Cheapest flights to San Francisco from Southampton found in 2024

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Southampton to San Francisco found on KAYAK in the last 72 hours.
14/7Sun
1 stopBritish Airways
14h 10mSOU-SFO
£1,122
28/8Wed
1 stopBritish Airways
14h 10mSOU-SFO
£1,124
30/8Fri
2 stopsBritish Airways
29h 30mSOU-SFO
£1,136
28/8Wed
2 stopsBritish Airways
25h 20mSOU-SFO
£1,140
30/7Tue
1 stopBritish Airways
14h 10mSOU-SFO
£1,457
15/7Mon
1 stopBritish Airways
14h 10mSOU-SFO
£1,458
30/7Tue
2 stopsBritish Airways
25h 20mSOU-SFO
£1,469
14/7Sun
2 stopsBritish Airways
29h 30mSOU-SFO
£1,470
21/4Sun
1 stopBritish Airways
14h 10mSOU-SFO
£2,312
31/8Sat
2 stops
20h 59mSOU-SFO
£5,004

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Last minute flights from Southampton to San Francisco

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Southampton to San Francisco that are departing in the next 10 days.
30/3Sat
multi-stopBritish Airways
17h 15mSOU-SFO
1/4Mon
multi-stopBritish Airways
16h 05mSFO-SOU
£930

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Southampton - San Francisco Flights

Departure:

Southampton (SOU)United Kingdom

Destination:

San Francisco (SFO)United States

Cabin classes: